<!--
 * @Descripttion: 图标选择器组件
 * @version: 1.2
 * @Author: sakuya
 * @Date: 2021年7月27日10:02:46
 * @LastEditors: sakuya
 * @LastEditTime: 2021年11月16日09:35:34
-->

<template>
	<div class="sc-icon-select">
		<el-input v-model="defaultValue" :prefix-icon="defaultValue||'none'" :placeholder="placeholder" :clearable="clearable" :disabled="disabled">
			<template #append><el-button icon="el-icon-more-filled" @click="open"></el-button></template>
		</el-input>
		<el-dialog title="图标选择器" v-model="dialogVisible" :width="780" destroy-on-close>
			<el-tabs style="margin-top: -30px;">
				<el-tab-pane  v-for="item in data" :key="item.name" lazy>
					<template #label>
						{{item.name}} <el-tag size="mini" type="info">{{item.icons.length}}</el-tag>
					</template>
					<div class="sc-icon-select__list">
						<el-scrollbar>
							<ul @click="selectIcon">
								<li v-for="icon in item.icons" :key="icon">
									<span :data-icon="icon"></span>
									<el-icon><component :is="icon" /></el-icon>
								</li>
							</ul>
						</el-scrollbar>
					</div>
				</el-tab-pane>
			</el-tabs>
		</el-dialog>
	</div>
</template>

<script>
import config from "@/config/iconSelect"

export default {
	props: {
		modelValue: { type: String, default: "" },
		placeholder: { type: String, default: "请输入或者选择图标" },
		clearable: { type: Boolean, default: false },
		disabled: { type: Boolean, default: false },
	},
	data() {
		return {
			defaultValue: '',
			dialogVisible: false,
			data: []
		}
	},
	watch:{
		modelValue(val){
			this.defaultValue = val
		},
		defaultValue(val){
			this.$emit('update:modelValue', val)
		}
	},
	mounted() {
		this.defaultValue = this.modelValue
		this.data.push(...config.icons)
	},
	methods: {
		open(){
			if(this.disabled){
				return false
			}
			this.dialogVisible = true
		},
		selectIcon(e){
			if(e.target.tagName != 'SPAN'){
				return false
			}
			this.defaultValue = e.target.dataset.icon
			this.dialogVisible = false
			this.$emit('update:modelValue', this.defaultValue);
		}
	}
}
</script>

<style scoped>
.sc-icon-select {display: inline-block;}
.sc-icon-select__list {height:360px;overflow: auto;}
.sc-icon-select__list ul {}
.sc-icon-select__list li {display: inline-block;width:80px;height:80px;margin:5px;vertical-align: top;box-shadow: 0 0 0 1px #eee;transition: all 0.1s;border-radius: 4px;position: relative;}
.sc-icon-select__list li span {position: absolute;top:0;left:0;right:0;bottom:0;z-index: 1;cursor: pointer;}
.sc-icon-select__list li i {display: inline-block;width: 100%;height:100%;font-size: 26px;color: #6d7882;background: #fff;display: flex;justify-content: center;align-items: center;border-radius: 4px;}
.sc-icon-select__list li:hover {box-shadow: 0 0 1px 4px rgba(64,158,255,1);}
.sc-icon-select__list li:hover i {color: #409EFF;}
</style>
